Type of Rock:Igneous Intrusive/Extrusive:intrusive
What is the grain size? coarse grain
What is its color? greenish or darkish color
How does it form Molten magma is trapped beneath the earths surface and cools What minerals are found in it? It is mostly made up of pyroxene and olivine
Where does it form? At mid-ocean ridges
What are some uses? concrete aggregate, road metals, and road ballast. Smaller pieces are polished and used for black granite
By: jordan toillion and Drew Wintermote
Gabbro-B
Type of Rock: Igneous
Intrusive/Extrusive: intrusive
What is the grain size?
coarse grain
What is its color?
greenish or darkish color
How does it form
Molten magma is trapped beneath the earths surface and cools
What minerals are found in it?
It is mostly made up of pyroxene and olivine
Where does it form?
At mid-ocean ridges
What are some uses?
concrete aggregate, road metals, and road ballast. Smaller pieces are
http://en.wikipedia.org/wiki/Gabbro
http://www.galleries.com/rocks/gabbro.htm
http://www.coaleducation.org/lessons/wim/20.htm